"They were certainly not kissing for work reasons - they looked pretty into each other."

Chris Martin recently split from girlfriend, actress Annabelle Wallis, but Dua is supposedly shacked up with DJ Martin Garrix...making her rumoured hookup with the Coldplay frontman shocking to say the least.

Chris and Dua collaborated on 'Homesick' earlier this year, about which she said "It was a really magical experience. Such a 'pinch me' moment to sit next to him by the piano, to hear and perform so closely with a voice I've heard on the radio my whole life."